/**
 * Originally based on Ionic's focus-visible utility.
 * Fork of https://github.com/ionic-team/ionic-framework/blob/c37e2a5d9e765cf48d768061c9d453a13b187e13/core/src/utils/focus-trap.ts
 */
export declare const QUERY_ARROW_ELEMENTS: string;
export declare const QUERY_CURRENT_VISIBLE_FOCUS: string;
export declare const getIndexOfDropdownItem: (items: HTMLElement[], item: HTMLElement | null, selector?: string) => number;
export declare const getNextFocusableDropdownItem: (items: HTMLElement[], currentItem: HTMLElement | null, selector?: string) => HTMLElement;
export declare const getPreviousFocusableItem: (items: HTMLElement[], currentItem: HTMLElement | null, selector?: string) => HTMLElement;
export declare const isTriggerElement: (element: HTMLElement) => boolean;
export declare const configureKeyboardInteraction: (getItemsHost: () => HTMLElement, options?: {
    getActiveElement?: () => HTMLElement | null;
    setItemActive?: (item: HTMLElement) => void;
    getEventListenerTarget?: () => HTMLElement;
    querySelector?: string;
    activeQuerySelector?: string;
    itemTriggerKeys?: string[];
    beforeKeydown?: (ev: KeyboardEvent) => void;
    onItemActivation?: (event: KeyboardEvent, activeElement: HTMLElement) => void;
}) => () => void;